Medically reviewed by Kumkum S. Patel, MD The color of your poop (stool) can provide clues about diseases or conditions ...

Chronic constipation can be painful and may indicate an underlying health problem ... that helps people classify stool appearance. The Bristol stool scale is a chart that can help classify ...

But you can also thank a few other contributing factors, including: A new and unusual smell to your stool can happen for several reasons, from eating something new to an underlying health condition.